Feed-grade L-arginine is a conditionally essential amino acid particularly important in livestock and poultry diets underyoung-age, reproductive, and stress conditions,and its core value lies in regulatingvasodilation and blood flow distribution through the nitric oxide (NO) signaling pathway,promoting efficient transport of nutrients to target tissues such as muscle, mammary glands, placenta, and intestines, therebysignificantly improving daily weight gain, enhancing lactation performance and reproductive outcomes, while effectively reducing the feed conversion ratio. Arginine substantially increases nitrogen deposition efficiency, helping youreduce the use of protein ingredients such as soybean meal while lowering dietary crude protein levels,significantly saving formulation costs; it also reduces fecal nitrogen excretion,effectively lowering ammonia concentration in barnsand optimizing the farming environment. Furthermore, as a precursor for polyamine synthesis, argininepromotes intestinal epithelial cell proliferation and mucosal repair,maintains intestinal barrier function and reduces diarrhea incidence; for sows, it canincrease litter size and litter weight,improve semen quality in males, and enhance immune response and heat stress resistance in poultry, comprehensively strengthening livestock and poultry health and performance. Choosing feed-grade arginine means choosing afour-in-one high-efficiency farming solution that promotes growth, enhances reproduction, protects intestinal health, and reduces costs while being environmentally friendly,delivering comprehensive value across performance, health, and sustainability.